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题名: Distributions and light absorption property of water soluble organic carbon in a typical temperate glacier, southeastern Tibetan Plateau
作者: Niu, HW; Kang, SC; Lu, XX; Shi, XF
收录类别: SCIE
出版日期: 2018-06-01
刊名: TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
卷号: 70, 期号:31
出版者: TAYLOR & FRANCIS
出版地: ABINGDON
英文摘要: Water-soluble organic carbon (WSOC) widely stored in glaciers from local and distant sources, and then released it to downstream environments under a warming climate. Climatic driven changes to glacial run-off are larger and represent an important flux of organic carbon. However, very few WSOC data are currently available to fully characterize WSOC variation in the temperate glacierized regions of the Tibetan Plateau (TP). This study first systematically evaluated the concentration characteristics and light absorbing property of WSOC, and insoluble particulate carbon (IPC) in snow and ice of a typical temperate glacier on Mt. Yulong. Average concentrations of WSOC were 0.610.21mg L-1 in Baishui glacier on Mt. Yulong. WSOC concentrations in surface aged snow were dramatically decreased with the time extension during the entire monsoon season due to extensive glacial melting and scavenging effects by meltwater.The MAC values of WSOC calculated at 365nm was 6.31 +/- 0.34 m(2) g(-1) on Mt. Yulong, and there exists distinct spectral dependence of MAC(wsoc) within the wavelength range (260-700nm). The low AAE(330-400) values suggest the light absorption of WSOC is more spectrally neutral. The flux of WSOC in Baishui glacier was 0.99 gC m(-2)yr(-1), while the IPC flux was 4.77 gC m(-2)yr(-1). Total WSOC storage in the Baishui glacier was estimated to be 1.5 tone C and total IPC storage was 7.25 tone C (1 tone =10(6)g). Moreover, glacial melting was reinforced by the soluble and insoluble light absorbing impurities (ILAIs) in glaciers, Baishui glacier can be considered as a fraction of carbon source under the scenario of a warming climate, more importantly, WSOC in snow and ice needs to be taken into account in calculating the radiative forcing of ILAIs and accelerating glacial melting.
关键词: flux ; glacier ; Mt ; Yulong ; Tibetan Plateau ; WSOC
作者部门: [Niu, Hewen ; Kang, Shichang] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Yulong Snow Mt Glacier Environm Observat & Res St, Lanzhou, Gansu, Peoples R China ; [Niu, Hewen] Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing, Jiangsu, Peoples R China ; [Kang, Shichang] CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China ; [Kang, Shichang] Univ Chinese Acad Sci, Beijing, Peoples R China ; [Lu, Xixi] Natl Univ Singapore, Dept Geog, Singapore, Singapore ; [Shi, Xiaofei] Lanzhou Univ, Coll Earth Environm Sci, Lanzhou, Gansu, Peoples R China
通讯作者: Niu, HW ; Kang, SC (reprint author), Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Yulong Snow Mt Glacier Environm Observat & Res St, Lanzhou, Gansu, Peoples R China. ; Niu, HW (reprint author), Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing, Jiangsu, Peoples R China. ; Kang, SC (reprint author), CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China. ; Kang, SC (reprint author), Univ Chinese Acad Sci, Beijing, Peoples R China.
学科分类: Meteorology & Atmospheric Sciences
文章类型: Article
所属项目编号: National Natural Science Foundation of China [41601071, 41721091, 41630754] ; Key Research Program for Frontier Sciences of Chinese Academy of Sciences [QYZDJ-SSW-DQC039] ; SKLCS [SKLCS-ZZ-2017] ; Light of West China Program [Y62992] ; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control [KFK1509] ; China postdoctoral science foundation [2015M582725, 2016T90963]
所属项目名称: 国家自然科学基金项目 ; 中国博士后科学基金
项目资助者: NSFC ; CPSF
语种: 英语
DOI: 10.1080/16000889.2018.1468705
ISSN号: 1600-0889
WOS记录号: WOS:000433998200001
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/196030
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Niu, HW,Kang, SC,Lu, XX,et al. Distributions and light absorption property of water soluble organic carbon in a typical temperate glacier, southeastern Tibetan Plateau[J]. TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY,2018,70(31).
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